Narrated Anas bin Malik (ra):
The Prophet Muhammad (ﷺ) said, "Make things easy for the people, and do not make it difficult for them, and make them calm (with glad tidings) and do not repulse (them ).
Reference : Sahih al-Bukhari 6125
In-book reference : Book 78, Hadith 152
USC-MSA web (English) reference : Vol. 8, Book 73, Hadith 146